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Hamilton MD Maxi-Duty Casters
Move over 10 tons on Hamilton's top-of-the-line Maxi-Duty casters, designed and built for the toughest applications including shipbuilding, manufactured housing, automotive and aerospace. Long life and dependable service are assured now more than ever with Hamilton's new HPI Swivel Technology. The new technology is a significant upgrade from conventional ball raceways or unit load bearings and provides an even stronger platform to support Hamilton's three year product warranty. Many items are available for 24 hour Pronto® shipping.
Quality Features & Specs
- Swivel Construction: 5/8" thick drop forged steel mounting plate (rigid plate 1/2" thick); 3/8" x 5" precision laser cut steel contoured legs are welded inside and outside to forged steel horn base.
- Kingpin: 1 1/4" diameter integrally forged with mounting plate guaranteed for life, prevents bending or breaking; threaded for 1 1/4" slotted nut secured by roll pin for positive locking.
- Main Load Bearing: HPI™ thrust bearing with outside diameter of 7 1/2"; raceways hardened to 58-62HRC and ground to surface finish 16 micro inches.
- Secondary Load Bearing: 1 1/4" precision tapered thrust bearing counteracts radial thrust.
- Product Finish: Powder Coated - Caster rigs are powder coated with Hamilton’s new Platinum Powder, a metallic HAA Polyester providing a premium look and excellent durability for both interior and exterior environments.
- Axle: 1 1/4" diameter grade 5 hex head with slotted nut and cotter pin.
- Lubrication Fittings: Ball-check type in swivel assembly and in wheel hubs with tapered or straight roller bearings.
Hamilton HPI™ Technology
The Maxi-Duty Series features Hamilton’s Precision Integrated HPI™ Swivel Technology. The new technology outperforms conventional CNC-machined ball raceways, kingpinless, and unit load bearing swivel constructions.
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